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Table 2 Comparison of MGIT and LJ methods for MTBC recovery and contamination rate at EPHI/NTRL since 2015

From: Performance of Mycobacterium Growth Indicator Tube BACTEC 960 with Lowenstein–Jensen method for diagnosis of Mycobacterium tuberculosis at Ethiopian National Tuberculosis Reference Laboratory, Addis Ababa, Ethiopia

  LJ result (%) Total
Positive Negative Contaminated
MIGIT result
 Positive no. (%) 171 (18.8%) 58 (6.4%) 7 (0.8%) 236 (25.9%)
 Negative no. (%) 7 (0.8%) 497 (54.7%) 30 (3.3%) 534 (58.8%)
 Contaminated no. (%) 4 (0.44%) 87 (9.6%) 47 (5.2%) 138 (15%)
Total 182 (20%) 642 (70.7%) 84 (9.3%) 908 (100%)